Home / 68,031,453.23-93,891,375.83-38,667,199.77

Finding the Fourth Proportional to 68,031,453.23, 93,891,375.83 and 38,667,199.77

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Solution

The fourth proportional to 68,031,453.23, 93,891,375.83 and 38,667,199.77 is: 53,365,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,031,453.23 : 93,891,375.83 = 38,667,199.77 : x
  2. Step 2: Convert to fraction form
    68,031,453.23/93,891,375.83 = 38,667,199.77/x
  3. Step 3: Cross multiply
    68,031,453.23x = 93,891,375.83 × 38,667,199.77
  4. Step 4: Simplify right side
    68,031,453.23x = 3,630,516,585,429,302.50
  5. Step 5: Solve for x
    x = 3,630,516,585,429,302.50/68,031,453.23
  6. Step 6: Final answer
    x = 53,365,265.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.